[INFO] cloning repository https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f370ecbe7417f00032a7c7cba1f3792a5f8ef7ce [INFO] checking Bruce0203/BytesMut_vs_Cursor_Vec_benchmark against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBruce0203%2FBytesMut_vs_Cursor_Vec_benchmark" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark [INFO] finished tweaking git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark [INFO] tweaked toml for git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Bruce0203/BytesMut_vs_Cursor_Vec_benchmark already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 007a02abf2f10d2067c1d2b79cc896510cf7d72d26684658d66e018438671c6b [INFO] running `Command { std: "docker" "start" "-a" "007a02abf2f10d2067c1d2b79cc896510cf7d72d26684658d66e018438671c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "007a02abf2f10d2067c1d2b79cc896510cf7d72d26684658d66e018438671c6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "007a02abf2f10d2067c1d2b79cc896510cf7d72d26684658d66e018438671c6b", kill_on_drop: false }` [INFO] [stdout] 007a02abf2f10d2067c1d2b79cc896510cf7d72d26684658d66e018438671c6b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 601874583ce8ef9190ca40a48332d45eafcd6f52f9d3510e8baa98fdb0ff28fd [INFO] running `Command { std: "docker" "start" "-a" "601874583ce8ef9190ca40a48332d45eafcd6f52f9d3510e8baa98fdb0ff28fd", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling serde_json v1.0.114 [INFO] [stderr] Checking itoa v1.0.10 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking clap_builder v4.5.1 [INFO] [stderr] Checking rayon v1.9.0 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking fastbuffer_benchmark v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Checking regex-automata v0.4.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking clap v4.5.1 [INFO] [stderr] Checking regex v1.10.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> benches/buffers.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{Cursor, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Buf` [INFO] [stdout] --> benches/buffers.rs:3:13 [INFO] [stdout] | [INFO] [stdout] 3 | use bytes::{Buf, BufMut, BytesMut}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> benches/buffers.rs:7:13 [INFO] [stdout] | [INFO] [stdout] 7 | let mut vec = Cursor::new(Vec::::new()); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/buffers.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | let mut vec = Cursor::new(Vec::::new()); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> benches/buffers.rs:11:13 [INFO] [stdout] | [INFO] [stdout] 11 | let mut bytes = BytesMut::new(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/buffers.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut bytes = BytesMut::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vec` [INFO] [stdout] --> benches/buffers.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut vec = Cursor::new(Vec::::with_capacity(10_000)); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/buffers.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let mut vec = Cursor::new(Vec::::with_capacity(10_000)); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> benches/buffers.rs:19:13 [INFO] [stdout] | [INFO] [stdout] 19 | let mut bytes = BytesMut::with_capacity(10_000); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/buffers.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let mut bytes = BytesMut::with_capacity(10_000); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/buffers.rs:27:23 [INFO] [stdout] | [INFO] [stdout] 27 | fn bytes_write_10_000(mut bytes: BytesMut) { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.03s [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "601874583ce8ef9190ca40a48332d45eafcd6f52f9d3510e8baa98fdb0ff28fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "601874583ce8ef9190ca40a48332d45eafcd6f52f9d3510e8baa98fdb0ff28fd", kill_on_drop: false }` [INFO] [stdout] 601874583ce8ef9190ca40a48332d45eafcd6f52f9d3510e8baa98fdb0ff28fd